1 Wire Alternator | motorcityreman AdUniversal Mount, Replace Your Old Low Amp UnitsHigh Performance AlternatorsATV, Motorcycle, Snowmobile UnitsParts and AccessoriesHigh Performance Starters6/12/24 Volt DC MotorsContact Us Ireland Alternator Online | Mister-Auto AdPurchase an Alternator Online and Save up on Car Parts.All Car Parts1 million parts in stockBest BrandsAlternators for Any MakeChoose from Top BrandsCheap Cevam AlternatorsMore Alternator PartsEvery Week New DealsCheap Starter Motors Ask a Ford Mechanic Now | Fordanswer AdA Ford Mechanic Will Answer Now! Questions Answered Every 9 Seconds.Helped Over 8MM Worldwide12MM+ Questions Answered"A+ Rating" – Better Business BureauAsk Your Car QuestionsAsk on JustAnswer NowAsk Classic Car QuestionsAsk American Car QuestionAsk About Luxury Cars NowAsk a Truck Question Now Ford externally regulated alternator wiring - YouTube Click to view4:52Wiring of an old Ford Truck externally regulated alternator. This is from a 1985 Ford F350 with the 6 diesel engine.Author: Christopher KlemanViews: 242K Alternator Wiring Diagram For 1985 Ford F 150 | Wiring Alternator Wiring Diagram For 1985 Ford F 150. The wiring diagram on the opposite hand is particularly beneficial to an outside electrician. Sometimes wiring diagram may also refer to the architectural wiring program. The simplest approach to read a home wiring diagram is to begin at the source, or the major power supply.4.4/5(147) SOLVED: My 1985 ford f150 has a three wire alternator. Two My 1985 ford f150 has a three wire alternator. Two wires are hooked up but the third is missing. The battery will not charge, and if I put a good battery on and start it, when I pull off the battery cable the motor dies. I had the alternator tested, and it tested good.